PLC Controller Allen-Bradley 1756-L55M12 ControlLogix Processor

Product Overview

The Allen-Bradley 1756-L55M12 is a high-performance processor module. It belongs to the ControlLogix family. This module provides 750 Kilobytes of RAM. It supports a maximum of 128,000 I/O points. Engineers use it for complex automation tasks. The scan time is only 0.08 milliseconds. This ensures fast and reliable control. The module uses a backplane current of 1.23 Amps at 5 Volts DC. It also draws 14 milliamps at 24 Volts DC. The 1756-L55M12 is built for rugged industrial environments.

Application Scenarios

This processor works well in discrete manufacturing. It also suits process control applications. Use it for material handling systems. It is ideal for packaging machinery. The module controls assembly lines effectively. It manages batch processing operations. The high I/O capacity fits large systems. Engineers deploy it in automotive plants. It also works in food and beverage production. The module handles high-speed machine control.

Technical Specifications

The module has 208 kbytes of I/O memory. It handles 4,000 analog inputs and 2,000 analog outputs. Power dissipation is 5.6 Watts. Thermal dissipation is 19.1 BTU/hr. The operating temperature range is 32 to 140 Fahrenheit (0 to 60 Celsius). It withstands 30 g of operating shock. Non-operating shock tolerance is 50 g. Vibration resistance is 2 g at 10 to 500 Hz. Conducted RF immunity is 10V rms with 1 kHz sine-wave 80% AM from 150 kHz to 80 MHz. Isolation voltage is 30V continuous with basic insulation type. Storage temperature ranges from -40 to 85 Degrees Celsius. The battery options are 1756-BA1 or 1756-BATM.

Installation & Maintenance Guide

Install the module into a ControlLogix chassis. Ensure the backplane connections are secure. Apply the correct backplane voltage. Use the recommended battery for memory backup. Replace the battery every few years. Keep the module within the operating temperature range. Avoid exposing it to excessive vibration. Clean the module with a dry cloth. Do not use solvents. Check the module status indicators regularly. Follow Rockwell Automation guidelines for safe installation.

Packing List

1 x Allen-Bradley 1756-L55M12 Processor Module
1 x User Manual (if available)
Note: Battery and other accessories may ship separately. Shipping is via Fedex, UPS, or DHL.